12.7: Appendix 3- Bond Enthalpies
- Page ID
- 190430
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Average single bond enthalpies (kJ/mol)
H-H 436 | C-H 413 | N-H 391 | O-H 483 | F-F 155 |
H-F 567 | C-C 348 | N-N 163 | O-O 146 | |
H-Cl 431 | C-N 293 | N-O 201 | O-F 190 | Cl-F 253 |
H-Br 366 | C-O 358 | N-F 272 | O-Cl 203 | Cl-Cl 242 |
H-I 299 | C-F 485 | N-Cl 200 | O-I 234 | |
C-Cl 328 | N-Br 243 | Br-F 237 | ||
C-Br 276 | S-H 339 | Br-Cl 218 | ||
C-I 240 | P-H 322 | S-F 327 | Br-Br 193 | |
C-S 259 | P-F 490 | S-Cl 253 | ||
S-Br 218 | I-Cl 208 | |||
Si-H 323 | S-S 266 | I-Br 175 | ||
Si-Si 226 | I-I 151 | |||
Si-C 301 | ||||
Si-O 368 | ||||
Si-F 565 | ||||
Si-Cl 464 |
Average double bond enthalpies (kJ/mol)
C=C 614 | N=N 418 | O=O 495 |
C=N 615 | N=O 607 | S=O 523 |
C=O 799 | S=S 418 |
Average triple bond enthalpies (kJ/mol)
C≡C 839 | C≡N 891 | N≡N 941 | C≡O 1072 |